ocfs2: remove redundant error code assignment

ocfs2: remove redundant error code assignment

Remove the error assignment for variable 'ret' during correct code
execution.  In subsequent execution, variable 'ret' is overwritten.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Link: https://lkml.kernel.org/r/20260307234809.88421-1-a.velichayshiy@ispras.ru
Signed-off-by: Alexey Velichayshiy <a.velichayshiy@ispras.ru>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Heming Zhao <heming.zhao@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>